:root{--navy:#082e72;--blue:#087dcc;--cyan:#27a9bd;--green:#5bc59a;--ink:#12233f;--muted:#65738a;--line:#dfe7f1;--bg:#f6f9fc;--white:#fff;--dark:#071c42;--shadow:0 20px 60px rgba(8,46,114,.12);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,231,241,.8)}.nav-wrap{height:78px;display:flex;align-items:center;gap:28px}.brand img{width:142px;height:auto;display:block}.nav{display:flex;align-items:center;justify-content:flex-end;gap:24px;flex:1}.nav a{font-size:14px;font-weight:700;color:#33435d;white-space:nowrap}.nav a:hover{color:var(--blue)}.lang-switch{border:1px solid var(--line);background:#fff;border-radius:99px;height:38px;padding:0 12px;display:flex;align-items:center;gap:8px;font-weight:800;color:var(--navy);cursor:pointer}.switch-dot{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--green));display:inline-block}.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--navy)}
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#f7fbff 0%,#eef7fb 58%,#e9f6f1 100%);min-height:690px;display:flex;align-items:center}.hero-bg{position:absolute;inset:0;background:radial-gradient(circle at 78% 20%,rgba(39,169,189,.18),transparent 30%),radial-gradient(circle at 10% 90%,rgba(8,125,204,.10),transparent 32%)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:80px 0}.eyebrow,.section-kicker{letter-spacing:.14em;font-size:12px;font-weight:900;color:var(--cyan)}h1{font-size:clamp(48px,7vw,82px);line-height:1.02;letter-spacing:-.05em;color:var(--navy);margin:16px 0 22px}.hero-sub{font-size:20px;max-width:650px;color:#40536f}.hero-actions{display:flex;gap:12px;margin:32px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:999px;font-weight:800;transition:.2s}.btn-primary{background:var(--navy);color:#fff;box-shadow:0 10px 25px rgba(8,46,114,.2)}.btn-primary:hover{transform:translateY(-2px)}.btn-ghost{border:1px solid #bdd0e3;background:#fff;color:var(--navy)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:700px;margin-top:35px}.hero-stats div{padding:14px 16px;border-left:2px solid var(--green);background:rgba(255,255,255,.55)}.hero-stats strong{display:block;font-size:25px;color:var(--navy)}.hero-stats span{display:block;font-size:12px;color:var(--muted)}.hero-visual{position:relative;min-height:480px;display:grid;place-items:center}.hero-product{width:min(100%,520px);border-radius:28px;box-shadow:var(--shadow);position:relative;z-index:2;border:8px solid rgba(255,255,255,.75)}.orb{position:absolute;border-radius:50%;filter:blur(1px)}.orb-a{width:320px;height:320px;background:rgba(39,169,189,.16);right:0;top:30px}.orb-b{width:180px;height:180px;background:rgba(91,197,154,.19);left:15px;bottom:25px}
.section{padding:105px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.section h2{font-size:clamp(34px,4vw,52px);line-height:1.15;letter-spacing:-.04em;margin:10px 0 22px;color:var(--navy)}.intro p,.brochure p,.contact>p{color:var(--muted);font-size:16px}.quote{margin-top:28px;border-left:4px solid var(--green);padding:12px 18px;color:var(--navy);font-size:22px;font-weight:800}.about-card{position:relative}.about-card img{width:100%;display:block;border-radius:28px;box-shadow:var(--shadow)}.about-card-overlay{position:absolute;left:24px;right:24px;bottom:24px;background:rgba(7,28,66,.88);color:#fff;border-radius:18px;padding:15px 18px;display:flex;justify-content:space-between;gap:20px}.about-card-overlay span{color:#66caa4;letter-spacing:.12em;font-weight:900}.about-card-overlay b{font-size:13px}
.products{background:var(--bg)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:42px}.section-head>p{max-width:500px;color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.product-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 30px rgba(8,46,114,.05);display:flex;flex-direction:column;min-width:0}.product-card.featured{box-shadow:0 18px 45px rgba(8,46,114,.13);border-color:#c6dbea}.product-img{aspect-ratio:1.05/1;overflow:hidden;background:#f0f4f8}.product-img img{width:100%;height:100%;object-fit:cover;display:block;transition:.4s}.product-card:hover .product-img img{transform:scale(1.035)}.product-body{padding:20px}.tag{display:inline-flex;padding:4px 9px;border-radius:8px;background:#e7f7f3;color:#168d76;font-size:11px;font-weight:900;letter-spacing:.08em}.product-body h3{font-size:20px;line-height:1.3;margin:11px 0 10px;color:var(--navy)}.product-body p{font-size:13px;color:var(--muted);min-height:86px;margin:0 0 15px}.product-body a{font-size:13px;font-weight:900;color:var(--blue)}
.dark-section{background:var(--dark);color:#fff}.light h2,.dark-section h2{color:#fff}.dark-section .section-head>p{color:#b9c8df}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.13)}.feature{padding:32px;background:rgba(255,255,255,.025);min-height:220px}.feature span{font-size:12px;color:#69d0ad;font-weight:900;letter-spacing:.12em}.feature h3{font-size:22px;margin:15px 0 10px}.feature p{margin:0;color:#b9c8df;font-size:14px}
.applications{background:#fff}.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}.app-card{border:1px solid var(--line);border-radius:20px;padding:28px;background:linear-gradient(150deg,#fff,#f5f9fd)}.num{font-size:34px;font-weight:900;color:#d2dce8}.app-card h3{font-size:21px;color:var(--navy);margin:12px 0}.app-card p{font-size:14px;color:var(--muted);margin:0}
.brochure{background:#f0f6f9}.brochure-wrap{display:grid;grid-template-columns:1fr .8fr;gap:70px;align-items:center}.brochure-preview{position:relative;max-width:480px;margin-left:auto}.brochure-preview img{width:100%;display:block;border-radius:24px;box-shadow:var(--shadow)}.page-chip{position:absolute;right:18px;bottom:18px;background:var(--navy);color:#fff;border-radius:99px;padding:8px 13px;font-size:11px;font-weight:900}
.contact{background:linear-gradient(135deg,#f8fbff,#edf7f4)}.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px}.contact-list{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.contact-list>a,.contact-list>div{background:#fff;border:1px solid var(--line);padding:15px 17px;border-radius:14px}.contact-list span{display:block;color:#7d8ba1;font-size:10px;letter-spacing:.12em;font-weight:900}.contact-list b{display:block;color:var(--navy);font-size:14px;word-break:break-word}.contact-card{background:var(--dark);border-radius:28px;padding:36px;color:#fff;min-height:320px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}.contact-brand{display:flex;align-items:center;gap:16px}.contact-brand img{width:110px;background:#fff;border-radius:10px;padding:7px}.contact-brand span{font-size:11px;line-height:1.5;color:#c8d5e8}.contact-slogan{font-size:28px;font-weight:900;color:#70d2ad;line-height:1.2}.contact-note{font-size:12px;color:#aebdd2}.footer{background:#04152f;color:#aebdd2;padding:22px 0;font-size:12px}.footer .container{display:flex;justify-content:space-between;gap:20px}
@media(max-width:1050px){.nav{gap:13px}.nav a{font-size:12px}.product-grid{grid-template-columns:repeat(2,1fr)}.app-grid{grid-template-columns:repeat(2,1fr)}.hero-grid{gap:25px}.hero{min-height:auto}}
@media(max-width:780px){.container{width:min(100% - 28px,1180px)}.nav-wrap{height:68px;gap:12px}.brand img{width:118px}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 18px 30px rgba(0,0,0,.08)}.nav.open{display:flex}.nav a{padding:12px;border-radius:10px;font-size:14px}.nav a:hover{background:#f2f6fa}.lang-switch{font-size:11px;height:34px}.hero-grid,.split,.brochure-wrap,.contact-grid{grid-template-columns:1fr}.hero-grid{padding:58px 0}.hero-copy{order:1}.hero-visual{order:2;min-height:300px}.hero-product{max-width:390px}.hero-stats{grid-template-columns:1fr 1fr 1fr;gap:7px}.hero-stats div{padding:9px}.hero-stats strong{font-size:19px}.hero-stats span{font-size:10px}.section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head>p{margin-top:15px}.feature-grid{grid-template-columns:1fr}.app-grid{grid-template-columns:1fr}.brochure-preview{margin:20px 0 0}.contact-list{grid-template-columns:1fr}.footer .container{flex-direction:column}.about-card-overlay{position:static;margin-top:12px}}
@media(max-width:480px){h1{font-size:50px}.hero-sub{font-size:17px}.hero-actions{flex-direction:column}.btn{width:100%}.hero-stats{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr}.product-body p{min-height:0}.contact-brand{align-items:flex-start;flex-direction:column}.contact-slogan{font-size:24px}}
.product-img{aspect-ratio:1.45/1;background:#fff;display:grid;place-items:center;padding:8px}.product-img img{object-fit:contain}.product-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}.spec-btn{border:0;background:#eef6fb;color:var(--navy);border-radius:10px;padding:9px 11px;font-size:12px;font-weight:900;cursor:pointer}.spec-btn:hover{background:#dcecf6}.spec-btn span{margin-left:4px}.brochure-note{max-width:480px;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:26px;padding:32px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}.brochure-note-icon{font-size:48px;line-height:1;color:#d8e3ee;font-weight:900}.brochure-note strong{font-size:24px;color:var(--navy)}.brochure-note span{font-size:14px;color:var(--muted)}.product-dialog{border:0;border-radius:26px;padding:0;width:min(1000px,calc(100% - 28px));max-height:90vh;box-shadow:0 30px 100px rgba(0,20,50,.28);overflow:hidden}.product-dialog::backdrop{background:rgba(4,21,47,.62);backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;padding:24px 28px 18px;border-bottom:1px solid var(--line)}.dialog-head h3{margin:9px 0 0;color:var(--navy);font-size:28px;line-height:1.25}.dialog-close{border:0;background:#f0f4f8;color:var(--navy);width:38px;height:38px;border-radius:50%;font-size:26px;cursor:pointer}.dialog-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;padding:26px;overflow:auto;max-height:calc(90vh - 100px)}.dialog-image{background:#f7fafc;border:1px solid var(--line);border-radius:20px;display:grid;place-items:center;min-height:300px;overflow:hidden}.dialog-image img{width:100%;height:auto;max-height:520px;object-fit:contain}.dialog-info>p{color:var(--muted);font-size:14px;margin:0 0 20px}.dialog-spec-title{font-size:16px;font-weight:900;color:var(--navy);margin-bottom:10px}.spec-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.spec-table{width:100%;border-collapse:collapse;font-size:13px}.spec-table th,.spec-table td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.spec-table th{width:28%;background:#f5f8fb;color:#52647c;font-weight:800}.spec-table td{color:var(--ink)}.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
@media(max-width:780px){.brochure-note{margin:20px 0 0;max-width:none}.dialog-grid{grid-template-columns:1fr;padding:18px}.dialog-head{padding:20px}.dialog-head h3{font-size:22px}.dialog-image{min-height:220px}.spec-table{font-size:12px}.spec-table th,.spec-table td{padding:9px}.product-actions{align-items:stretch;flex-direction:column}.product-actions .spec-btn,.product-actions a{width:100%;text-align:center}}
